Pneumatic type-writer.



No. 818,200. I PATENTED APR.17, 1906.

M. SOBLIK.

PNEUMATIC TYPE WRITER.

AIFLIUATION FILED NOV. 16, 1903. v

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v wwww I 1520972 Z'az" PATBNTED APR. 17, 1906.

M. SOBLIK. PNEUMATIG TYPE WRITER.

APPLIOATION FILED NOV. 16. 1903i 2 SHEETS-SHEET 2v fzig ififnesses:

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shows the mechanism UNITED s'rA'rns PATENT OFFICE.

MAXIMILIAN SOBLIK, OF DUSSELDORF, GERMANY.

PNEUMATIC TYPE-WRITER.

Specification of Letters Patent. 2

Patented April 17, 1906.

Apnlipation filed November 16,1903. Serial No. 181.292.

To all whom it may concern-.-

Be it known that I, MAxnnLIAN SoBLIK, a

subject of the King of Prussia, German Em writers; and the object of thesame'is to pro' vide for means to stop the type-wheel before thetypewill strike and to move'the papercarriage after the type has beenprinted.

Hitherto been known aving an intermittent type-wheel and causing thepaper-carriage to be moved at the same time while the type was caused tostrike against the paper; Such type-writer is describ.ed,forinstance, inthe United States Patent No. 676,590. To get a perfectly neat print withthis kind of arrange ment the movement of the piston-rod of typewheeland thetravelin of the paper-carriage ought to be erfectly a ike; but asin fact this will not be t e case the impressions made by the type willnot appear to be clean and neat.

Now the object of'this invention is to provide for means that the typewill not be worked upon before the type-wheel has been brought to a stopand the paper-carriage will not be caused to travel before the type hasstruck against the paper, thus producing a neat and clean print; Iattain this object by the mechanism illustrated in the accompanyingdrawings, in whichf v Figure 1 is a vertical section through themachine. Fig. 2 is a top View, some parts being shown in a horizontalsection. Fig. 3 to put in operation the type, and Fig. 4 shows the samewhile in operation. Figs. 5 and 6 show the to views of Figs. 3 and 4.Fig. 7 represents t 1e gearing mechanism, and Figs; 8 and 9 representthe striking arrangement of the types in different views.

Similar numerals refer to similar parts throughout the several views.

To the base-plate 1 is fixed avertical axle 2, having two longitudinalcanals 3 and 4, the one of which, 3, leads to an air-compressor, (notshown in the accompanying drawings,)

while the canal 4 is connected with the cylin- Improvepneumatictype-writers have rotating an annular ring 9, that is arranged upon thebase-plate 1 concentrically to the axle 2. The ring 9 is the number ofwhich corresponds with the numbers of keys of the machine, eachhole to vhave a separate pipe 11 leading to the mouth of the perforated key 12.The arm has an air-passage 13, theouter end of which is opposite theholes of the ring 9, while the upright part leads to the annular slot 14of the sage 1s connected to another annularslot 16 of the casing 6,which slot 16 is permanently in connection with the passage 4, thatleads to the high pr'essure cylinder.

The casing 6 carries a bevel-gear 17, that meshes the gear 19, fixedtothe'axle 18, which axle also carries a screw-wheel 20, engaging theworm-wheel 21,.to which is attached the rod 22; rod 24,: engages ascrew-wheel 25, carried by anaxle 26. This axle 26 may be rotated by therack 27 of the'paper-carriage 28, passing the gear. 29, fixed to theaxle 26. Between the two Worm-wheels 21 and 23 and within the reach ofthe rods 22 and 24 is arranged a double lever, consisting of theone-armed le- 30, and of a. double-armed lever 33, movably attachedthereto upon a verticalpin 32. The lever 31 rests upon the piston-rod ofthe aircylinder 5' and is held there by means of a spring 34. The lever33 carries a flap 35, that may be moved between the two nozzles 36 apipe 38 to. the conduit 39, communicating with a receptacle containingcom ressed air, (not 'ShOWll,) and by means of t 1e ipes 40 and 41to thecylinders 42 and 43. These aircylinders 42 and 43 have a commonpistonrod 44,,h'aving a ring 45 to strike against a pawl 46,- attachedto the plug ofthe stop-cock 47, arranged in the com ressed-air conduit39, that leads to the cy inder by means of which the types are moved.When being upper shoulder of arranged o of the con' uit that connectsthe canal 4 with the air-cylinder 5. By a connecting-rod 52 thepiston-rod 51 of the cylinder 48 is coupled to the shaft 53. A forkedlever 54 is keyed to the shaft 53 and notches the slide 55 of the hammer57, which will cause the types 56 to be struck against the paper.

When the machine is in use, the type- 4 Another Worm-wheel 23, having aver-31, movable around the horizontal axle and 37, which nozzles arejoined by means of provided with radial holes 10, 4

casmgfi; The upper end 15 of the'air-pasmoved, the ring 45 will strike,too, against an a swinging disk 49, that is posite themouth of theoutlet 50 Wheel and the arm 7, attached to it, receive shipped forwarduntil the rod 24 is locked an intermittent rotation by a mechanism againby the lever 33. In the meanwhile similar to that described in theUnited $tates the lever 33 releases the rod 22, thus allowing 60 PatentNo. 676,590. Thereby the comthe type-wheel to rotate. As soon as thepressed air from the air tank will pass rod 24 works against the lever33 the latter is through the canal 3, the slot 14, the bore 13 movedback from the position shown in Flg.

of the arm 7, the hole just opposite there- 6 into that as shown in Fig.5. At the same to, and through the corresponding pipe 11 to time theflap closes the nozzle 36 and rethe key 12. When the key 12' is closedby leases the nozzle 37. Now an increase of the putting a finger on topof it, the air-pressure pressure will take place within the cylinder inthe corresponding pipe will increase as 42, the piston of which will bedriven ahead, soon as the air passage 13 of the arm 7 and thus theswingin disk 49 and the plug of. passes the hole 10 of the ring 9. Thisin. the stop-cock 47 wii all have their original creased pressure willbe carried through the position. Now all parts of. the machine have a31- 33, resting upon the piston-rod, Fig. 4. In

" thus be stopped for a certain time; but inasfurther rotation ofthelever 33 is prevented,

cylinder 43, the piston of which is: driven branch pipe 15, the annularslot 16, the canal returned to their original position, and by 4, andthe connection-pipe of the same to the pressing another key themechanism may be air-cylinder 5. Hereby the piston of the cylput inoperation again.

inder 5 will be raised, and with it the levers What I claim is- 1. In apneumatic ty e-w'riter, thecomhination of a perforated ey with apressure": cylinder controlled thereby, an inclosed piston, a leveractuated by the piston, a rotata- 1 ble, type-carrier, a type-strikingmechanism, and apa er-carriage'controlled by the lever, substantially asspecified.

2. In a pneumatic ty e-writer, the combination of a perforated ey with apressumecylinder' controlled thereby, an inclosed piston, a leveractuated by the piston, a r'otata blearm adapted-to be engaged by thelever, and a rotatable type-carrier adapted to be ingested by the arm,substantially as speci- 3.- In a-pneur'natic'ty e-writer, the combination of a-perforated ey-withapressurecylinder controlled thereby,an-inclosed piston, a lever actuated by thepiston, a valve connected-tothe lever, a cylinder controlled 5 bythe valve, an inclosed-piston; acock-actuated by the piston, a t e'- hammer,- and pneumatic means controed by the cook or o crating said hammer-,substantially-as this positionthe lever 33 will no longer stop the rod 24, while the other end of thelever will now arrest the rod 22, that was liable to rotate until then.At the same time the rod 24 will strike against the lever 31 and will.much as the type-wheel continues its rotation the rod 22 of thewor'mwheel 21 will move the lever 33, Fig. 6, until its fla -valve 35strikes against the nozzle 37. bus a and with it the type-Wheel is stoped. By closing the nozzle 37 there will he an i creased air-pressurewithin he nozzle, because some more compressed air will enter by the wayof the ipe 39. This compressed air will now pass t rough the pipe 41into the ahead, and will cause the ring 45 to open the air-conduit 39 byturning around the plug of the cook 47. The compressed air may now enterthe cylinder, 48. It will act upon the iston of the same, whereby thehammer'5 7 1S pushed forward and against the type in speced. front ofit, thus producing a print of the lat- 4; In a pneumatic ty: e-writer,'-the combiter. In the meanwhile the piston of the cyl-- nation of aperforated ey with a pressure inder 43 has finished its stroke, and thering cylinder controlled thereby, airinclosed pis- 45, striking againstthe upper shoulder of the ton, a 'airof levers actuated by the gistomamovable isk 49, will open the outlet 50, rotata 1e arm adapted to beengage by thewhereby the compressed air from the air-cyllevers, and apaper-carria e actuating said lnder 5 may escape and cause thepiston-rod arm, substantially as rs tpeci ed. to be" lowered, togetherwith the lever resting Signed atDusseldo in Germany, this 4th 4 upon it.The downward motion will be acday-of'November, A. 1903.

celerated by means of the spiral spring 34,

acting upon the levers 31 33. When the levers 31 33 return to theiroriginal position, Witnesses:

Fig. 3, the lever 31 will release th e rod 24, ADOLF EOKERT, thusallowing the paper carriage to be, K WILLIAM EssENwniNi' MAXIMILIANSOBLIKZ.

